Vocabulary Book #29.1

Front

Instrument that sends pulses of electromagnetic energy into the atmosphere to find precipitation, determine its motion and intensity, and identify the precipitation type such as rain, snow, or hail.

Back

Doppler

Front

A North American zone where tornadoes occur more frequently than elsewhere on the continent: an unofficial and variable designation, Tornado Alley lies within a wide vertical swath of the central United States, from northern Texas into Oklahoma, Kansas, Nebraska, and South Dakota, often extending into other areas, including Missouri, Illinois, Iowa, Wisconsin, Minnesota.

Back

Tornado Alley

Front

Of or relating to a satellite traveling in an orbit 22,300 miles (35,900 km) above the earth's equator: at this altitude, the satellite's period of rotation, 24 hours, matches the earth's and the satellite always remains in the same spot over the earth.

Back

Geostationary

Front

A period of dry weather, especially a long one that is injurious to crops.

Back

drought

Front

Being without moisture; extremely dry; parched

Back

Arid

Front

Harsh; unnecessarily extreme

Back

severe

Front

Destruction, injury, or harm that reduces value or usefulness.

Back

damage

Front

The branch of knowledge that deals with the creation and use of technical means and their interrelation with life, society, and the environment, drawing upon such subjects as industrial arts, engineering, applied science, and pure science.

Back

Technology

Front

A device designed to be launched into orbit around the earth, another planet, the sun, etc.

Back

satellite

Front

An instrument designed or suitable for use in detecting clouds and precipitation.

Back

radar